A few years ago, I rented a car. Normally this wouldn’t be a memorable event. But an appalling misuse of grammar burned it into my mind, and years later, I haven’t forgotten.
You see, when I went to the airport to return the rental, I saw this wonderfully instructive sign:
Please… LEAVE “KEYS” IN CAR!
And this brings me to today’s grammar lesson: how and when to use quotation marks.